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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.volume;
import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.MotionEvent;
import androidx.core.view.ViewCompat;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.AccessibilityActionCompat;
import com.android.keyguard.AlphaOptimizedImageButton;
import com.android.systemui.R;
/** Toggle button in Volume Dialog that allows extra state for when streams are opted-out */
public class CaptionsToggleImageButton extends AlphaOptimizedImageButton {
private static final int[] OPTED_OUT_STATE = new int[] { R.attr.optedOut };
private ConfirmedTapListener mConfirmedTapListener;
private boolean mCaptionsEnabled = false;
private boolean mOptedOut = false;
private GestureDetector mGestureDetector;
private GestureDetector.SimpleOnGestureListener mGestureListener =
new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
return tryToSendTapConfirmedEvent();
}
};
public CaptionsToggleImageButton(Context context, AttributeSet attrs) {
super(context, attrs);
this.setContentDescription(
getContext().getString(R.string.volume_odi_captions_content_description));
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (mGestureDetector != null) mGestureDetector.onTouchEvent(event);
return super.onTouchEvent(event);
}
@Override
public int[] onCreateDrawableState(int extraSpace) {
int[] state = super.onCreateDrawableState(extraSpace + 1);
if (mOptedOut) {
mergeDrawableStates(state, OPTED_OUT_STATE);
}
return state;
}
Runnable setCaptionsEnabled(boolean areCaptionsEnabled) {
this.mCaptionsEnabled = areCaptionsEnabled;
ViewCompat.replaceAccessibilityAction(
this,
AccessibilityActionCompat.ACTION_CLICK,
mCaptionsEnabled
? getContext().getString(R.string.volume_odi_captions_hint_disable)
: getContext().getString(R.string.volume_odi_captions_hint_enable),
(view, commandArguments) -> tryToSendTapConfirmedEvent());
return this.setImageResourceAsync(mCaptionsEnabled
? R.drawable.ic_volume_odi_captions
: R.drawable.ic_volume_odi_captions_disabled);
}
private boolean tryToSendTapConfirmedEvent() {
if (mConfirmedTapListener != null) {
mConfirmedTapListener.onConfirmedTap();
return true;
}
return false;
}
boolean getCaptionsEnabled() {
return this.mCaptionsEnabled;
}
/** Sets whether or not the current stream has opted out of captions */
void setOptedOut(boolean isOptedOut) {
this.mOptedOut = isOptedOut;
refreshDrawableState();
}
boolean getOptedOut() {
return this.mOptedOut;
}
void setOnConfirmedTapListener(ConfirmedTapListener listener, Handler handler) {
mConfirmedTapListener = listener;
if (mGestureDetector == null) {
this.mGestureDetector = new GestureDetector(getContext(), mGestureListener, handler);
}
}
/** Listener for confirmed taps rather than normal on click listener. */
interface ConfirmedTapListener {
void onConfirmedTap();
}
}
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